\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{OLS estimates for mother time/goods relative demand (ALL, 1-2 kids ages 0-12, P(work) $\geq$.75, 2002 and 2007)}
\begin{tabular}{l*{6}{c}}
\hline\hline
               &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}\\
               &\multicolumn{1}{c}{OLS}&\multicolumn{1}{c}{OLS}&\multicolumn{1}{c}{OLS}&\multicolumn{1}{c}{OLS}&\multicolumn{1}{c}{IV (pred wage)}&\multicolumn{1}{c}{IV (state, year)}\\
               &       b/se         &       b/se         &       b/se         &       b/se         &       b/se         &       b/se         \\
\hline
$\ln(\tilde{W}\_{m,i})$&      0.645\sym{***}&      0.646\sym{***}&      0.609\sym{***}&      0.758\sym{***}&      0.553\sym{**} &      0.749\sym{***}\\
               &    (0.071)         &    (0.071)         &    (0.078)         &    (0.092)         &    (0.196)         &    (0.216)         \\
Married        &     -0.075         &     -0.074         &     -0.121         &      0.022         &     -0.071         &     -0.069         \\
               &    (0.095)         &    (0.095)         &    (0.104)         &    (0.108)         &    (0.096)         &    (0.095)         \\
Child's age    &     -0.141\sym{***}&     -0.141\sym{***}&     -0.147\sym{***}&     -0.147\sym{***}&     -0.140\sym{***}&     -0.139\sym{***}\\
               &    (0.022)         &    (0.022)         &    (0.025)         &    (0.024)         &    (0.022)         &    (0.022)         \\
Mother HS grad &      0.099         &                    &                    &                    &                    &                    \\
               &    (0.350)         &                    &                    &                    &                    &                    \\
Mother some    &      0.106         &      0.011         &     -0.043         &                    &      0.026         &     -0.018         \\
coll.          &    (0.351)         &    (0.102)         &    (0.117)         &                    &    (0.113)         &    (0.117)         \\
Mother coll+   &     -0.061         &     -0.157         &     -0.245         &                    &     -0.119         &     -0.218         \\
               &    (0.357)         &    (0.112)         &    (0.131)         &                    &    (0.155)         &    (0.164)         \\
Mother's age   &     -0.008         &     -0.008         &     -0.002         &                    &     -0.007         &     -0.009         \\
               &    (0.008)         &    (0.008)         &    (0.008)         &                    &    (0.008)         &    (0.008)         \\
Mother white   &     -0.244\sym{**} &     -0.243\sym{**} &     -0.095         &     -0.328\sym{**} &     -0.233\sym{*}  &     -0.249\sym{**} \\
               &    (0.090)         &    (0.089)         &    (0.107)         &    (0.102)         &    (0.091)         &    (0.090)         \\
Num children   &      0.156         &      0.158         &      0.081         &      0.163         &      0.168         &      0.155         \\
age 0-5        &    (0.126)         &    (0.125)         &    (0.144)         &    (0.169)         &    (0.126)         &    (0.125)         \\
Num of children&      0.089         &      0.089         &      0.090         &      0.027         &      0.082         &      0.097         \\
               &    (0.062)         &    (0.062)         &    (0.068)         &    (0.066)         &    (0.063)         &    (0.063)         \\
Mother's cogn. &                    &                    &     -0.005         &                    &                    &                    \\
score          &                    &                    &    (0.003)         &                    &                    &                    \\
Mother's log   &                    &                    &                    &     -0.346\sym{**} &                    &                    \\
wage FE        &                    &                    &                    &    (0.114)         &                    &                    \\
\_cons         &      2.126\sym{***}&      2.213\sym{***}&      2.602\sym{***}&      1.745\sym{***}&      2.398\sym{***}&      1.999\sym{***}\\
               &    (0.469)         &    (0.355)         &    (0.449)         &    (0.366)         &    (0.520)         &    (0.553)         \\
\hline
r2             &      0.190         &      0.190         &      0.167         &      0.193         &      0.181         &      0.187         \\
N              &        727         &        727         &        603         &        562         &        720         &        727         \\
\hline\hline
\end{tabular}
\end{table}
